Leno, who left the "Tonight Show" in May, has been working on a prime time variety show to air weeknights at 9. The show premieres Sept. 14 on NBC. He plays the casino July 24.

Cook, the 2008 "American Idol" winner was scheduled to play The Venue at The Hub in Fargo on July 14, but the show was canceled due to "scheduling conflicts." He plays Mahnomen July 22.

Radio favorites in the late 1990s, Smash Mouth and Sugar Ray play Dakota Magic July 24. Smash Mouth scored hits with "Walkin' on the Sun" and "All Star." Sugar Ray landed on the charts with "Fly," "Every Morning" and "Some Day."